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 $FE18/65048:   Control OS Messages

Jump from <A HREF="ROMFF90.HTM">$FF90</A>:

FE18: 85 9D     <A HREF="BSTA.HTM">STA</A> <A HREF="ZP9D.HTM">$9D</A>       ; Error-Mode-Flag

Jump from <A HREF="ROMFE07.HTM">$FE0B</A>:

FE1A: A5 90     <A HREF="BLDA.HTM">LDA</A> <A HREF="ZP90.HTM">$90</A>       ; Kernal I/O Status Word ST

Jump from <A HREF="ROMEDB0.HTM">$EDB2</A>, <A HREF="ROMEE13.HTM">$EE4F</A>, <A HREF="ROMF157.HTM">$F18A</A>, <A HREF="ROMF4B8.HTM">$F518</A>, <A HREF="ROMFA60.HTM">$FA81</A>, <A HREF="ROMFA60.HTM">$FAC6</A>, <A HREF="ROMFA60.HTM">$FB35</A>, <A HREF="ROMFA60.HTM">$FB88</A>:

FE1C: 05 90     <A HREF="BORA.HTM">ORA</A> <A HREF="ZP90.HTM">$90</A>       ; Kernal I/O Status Word ST
FE1E: 85 90     <A HREF="BSTA.HTM">STA</A> <A HREF="ZP90.HTM">$90</A>       ; Kernal I/O Status Word ST
FE20: 60        <A HREF="BRTS.HTM">RTS</A>

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